[INFO] cloning repository https://github.com/mlafroce/barbaos
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mlafroce/barbaos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmlafroce%2Fbarbaos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmlafroce%2Fbarbaos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 610a8af6c157fd4a0c2543b122844d07d756825e
[INFO] checking mlafroce/barbaos against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmlafroce%2Fbarbaos" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mlafroce/barbaos on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6/source/.cargo/config
[INFO] started tweaking git repo https://github.com/mlafroce/barbaos
[INFO] finished tweaking git repo https://github.com/mlafroce/barbaos
[INFO] tweaked toml for git repo https://github.com/mlafroce/barbaos written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/mlafroce/barbaos already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80d305c010277403115efa0ac190a689e84db007db7282682c548f23dea08882
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "80d305c010277403115efa0ac190a689e84db007db7282682c548f23dea08882", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80d305c010277403115efa0ac190a689e84db007db7282682c548f23dea08882", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80d305c010277403115efa0ac190a689e84db007db7282682c548f23dea08882", kill_on_drop: false }`
[INFO] [stdout] 80d305c010277403115efa0ac190a689e84db007db7282682c548f23dea08882
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d67f2c77cf8e39e5215c7be99b3f789c62e72c037852e3630f5b5944d106763
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7d67f2c77cf8e39e5215c7be99b3f789c62e72c037852e3630f5b5944d106763", kill_on_drop: false }`
[INFO] [stderr]     Checking barbaos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/devices/virtio.rs:85:32
[INFO] [stdout]    |
[INFO] [stdout] 85 |     [(); split_queue_padding::<RING_SIZE>()]: Sized,
[INFO] [stdout]    |                                ^^^^^^^^^ cannot perform const operation using `RING_SIZE`
[INFO] [stdout]    |
[INFO] [stdout]    = help: const parameters may only be used as standalone arguments, i.e. `RING_SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/devices/virtio.rs:89:41
[INFO] [stdout]    |
[INFO] [stdout] 89 |     padding: [u8; split_queue_padding::<RING_SIZE>()],
[INFO] [stdout]    |                                         ^^^^^^^^^ cannot perform const operation using `RING_SIZE`
[INFO] [stdout]    |
[INFO] [stdout]    = help: const parameters may only be used as standalone arguments, i.e. `RING_SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/devices/virtio.rs:352:32
[INFO] [stdout]     |
[INFO] [stdout] 352 |     [(); split_queue_padding::<RING_SIZE>()]: Sized,
[INFO] [stdout]     |                                ^^^^^^^^^ cannot perform const operation using `RING_SIZE`
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `RING_SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/main.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | / #![feature(
[INFO] [stdout] 11 | |     asm,
[INFO] [stdout] 12 | |     global_asm,
[INFO] [stdout] 13 | |     panic_info_message,
[INFO] [stdout] ...  |
[INFO] [stdout] 16 | |     default_alloc_error_handler
[INFO] [stdout] 17 | | )]
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/main.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | #![feature(adt_const_params, generic_const_exprs)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a0`: unknown register
[INFO] [stdout]    --> src/system/process.rs:174:13
[INFO] [stdout]     |
[INFO] [stdout] 174 |             out("a0") _,
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/devices/virtio.rs:85:32
[INFO] [stdout]    |
[INFO] [stdout] 85 |     [(); split_queue_padding::<RING_SIZE>()]: Sized,
[INFO] [stdout]    |                                ^^^^^^^^^ cannot perform const operation using `RING_SIZE`
[INFO] [stdout]    |
[INFO] [stdout]    = help: const parameters may only be used as standalone arguments, i.e. `RING_SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/devices/virtio.rs:89:41
[INFO] [stdout]    |
[INFO] [stdout] 89 |     padding: [u8; split_queue_padding::<RING_SIZE>()],
[INFO] [stdout]    |                                         ^^^^^^^^^ cannot perform const operation using `RING_SIZE`
[INFO] [stdout]    |
[INFO] [stdout]    = help: const parameters may only be used as standalone arguments, i.e. `RING_SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/devices/virtio.rs:352:32
[INFO] [stdout]     |
[INFO] [stdout] 352 |     [(); split_queue_padding::<RING_SIZE>()]: Sized,
[INFO] [stdout]     |                                ^^^^^^^^^ cannot perform const operation using `RING_SIZE`
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `RING_SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a1`: unknown register
[INFO] [stdout]    --> src/system/process.rs:175:13
[INFO] [stdout]     |
[INFO] [stdout] 175 |             out("a1") _,
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a2`: unknown register
[INFO] [stdout]    --> src/system/process.rs:176:13
[INFO] [stdout]     |
[INFO] [stdout] 176 |             out("a2") _,
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a3`: unknown register
[INFO] [stdout]    --> src/system/process.rs:177:13
[INFO] [stdout]     |
[INFO] [stdout] 177 |             out("a3") _,
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `test_main` in this scope
[INFO] [stdout]   --> src/init.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     test_main();
[INFO] [stdout]    |     ^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 1  | use crate::test_main;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/main.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | / #![feature(
[INFO] [stdout] 11 | |     asm,
[INFO] [stdout] 12 | |     global_asm,
[INFO] [stdout] 13 | |     panic_info_message,
[INFO] [stdout] ...  |
[INFO] [stdout] 16 | |     default_alloc_error_handler
[INFO] [stdout] 17 | | )]
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/main.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | #![feature(adt_const_params, generic_const_exprs)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a0`: unknown register
[INFO] [stdout]    --> src/system/process.rs:174:13
[INFO] [stdout]     |
[INFO] [stdout] 174 |             out("a0") _,
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a1`: unknown register
[INFO] [stdout]    --> src/system/process.rs:175:13
[INFO] [stdout]     |
[INFO] [stdout] 175 |             out("a1") _,
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a2`: unknown register
[INFO] [stdout]    --> src/system/process.rs:176:13
[INFO] [stdout]     |
[INFO] [stdout] 176 |             out("a2") _,
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a3`: unknown register
[INFO] [stdout]    --> src/system/process.rs:177:13
[INFO] [stdout]     |
[INFO] [stdout] 177 |             out("a3") _,
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PageAllocator`
[INFO] [stdout]  --> src/test/mmu.rs:2:30
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::mmu::page_table::{PageAllocator, PageBits, PageTable, PAGE_ALLOCATOR};
[INFO] [stdout]   |                              ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0747]: unresolved item provided when a constant was expected
[INFO] [stdout]   --> src/devices/virtio.rs:85:32
[INFO] [stdout]    |
[INFO] [stdout] 85 |     [(); split_queue_padding::<RING_SIZE>()]: Sized,
[INFO] [stdout]    |                                ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this generic argument was intended as a const parameter, surround it with braces
[INFO] [stdout]    |
[INFO] [stdout] 85 |     [(); split_queue_padding::<{ RING_SIZE }>()]: Sized,
[INFO] [stdout]    |                                ^           ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0747]: unresolved item provided when a constant was expected
[INFO] [stdout]   --> src/devices/virtio.rs:89:41
[INFO] [stdout]    |
[INFO] [stdout] 89 |     padding: [u8; split_queue_padding::<RING_SIZE>()],
[INFO] [stdout]    |                                         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this generic argument was intended as a const parameter, surround it with braces
[INFO] [stdout]    |
[INFO] [stdout] 89 |     padding: [u8; split_queue_padding::<{ RING_SIZE }>()],
[INFO] [stdout]    |                                         ^           ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0747]: unresolved item provided when a constant was expected
[INFO] [stdout]    --> src/devices/virtio.rs:352:32
[INFO] [stdout]     |
[INFO] [stdout] 352 |     [(); split_queue_padding::<RING_SIZE>()]: Sized,
[INFO] [stdout]     |                                ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: if this generic argument was intended as a const parameter, surround it with braces
[INFO] [stdout]     |
[INFO] [stdout] 352 |     [(); split_queue_padding::<{ RING_SIZE }>()]: Sized,
[INFO] [stdout]     |                                ^           ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0747]: unresolved item provided when a constant was expected
[INFO] [stdout]   --> src/devices/virtio.rs:85:32
[INFO] [stdout]    |
[INFO] [stdout] 85 |     [(); split_queue_padding::<RING_SIZE>()]: Sized,
[INFO] [stdout]    |                                ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this generic argument was intended as a const parameter, surround it with braces
[INFO] [stdout]    |
[INFO] [stdout] 85 |     [(); split_queue_padding::<{ RING_SIZE }>()]: Sized,
[INFO] [stdout]    |                                ^           ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0747]: unresolved item provided when a constant was expected
[INFO] [stdout]   --> src/devices/virtio.rs:89:41
[INFO] [stdout]    |
[INFO] [stdout] 89 |     padding: [u8; split_queue_padding::<RING_SIZE>()],
[INFO] [stdout]    |                                         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this generic argument was intended as a const parameter, surround it with braces
[INFO] [stdout]    |
[INFO] [stdout] 89 |     padding: [u8; split_queue_padding::<{ RING_SIZE }>()],
[INFO] [stdout]    |                                         ^           ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0747]: unresolved item provided when a constant was expected
[INFO] [stdout]    --> src/devices/virtio.rs:352:32
[INFO] [stdout]     |
[INFO] [stdout] 352 |     [(); split_queue_padding::<RING_SIZE>()]: Sized,
[INFO] [stdout]     |                                ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: if this generic argument was intended as a const parameter, surround it with braces
[INFO] [stdout]     |
[INFO] [stdout] 352 |     [(); split_queue_padding::<{ RING_SIZE }>()]: Sized,
[INFO] [stdout]     |                                ^           ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 13 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0747.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `barbaos` due to 14 previous errors
[INFO] [stdout] error: aborting due to 14 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] Some errors have detailed explanations: E0425, E0554, E0747.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7d67f2c77cf8e39e5215c7be99b3f789c62e72c037852e3630f5b5944d106763", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d67f2c77cf8e39e5215c7be99b3f789c62e72c037852e3630f5b5944d106763", kill_on_drop: false }`
[INFO] [stdout] 7d67f2c77cf8e39e5215c7be99b3f789c62e72c037852e3630f5b5944d106763
